19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Nucleophile: ….?.... : : electrophile: electron seeking
Which of the following is a homocyclic alicyclic compound? (a) (b) (c) (d)
The compound having only primary hydrogen atoms is
The C—H bond distance is the longest in
C C : 4 ; C H :6 ; C C :1 ; C C :2 . These number of and bonds are present in which of the following molecule? Choose the correct option. (a) CH C CH CH CH (b) CH C CH CH (c) CH CH CH CH CH
Assertion: The C C distance is longer than C C distance Reason: Both C atoms in alkenes are sp2 hybridized.
Underlined carbon is sp3 hybridised in (a) CH CH CH (b) CH CH NH (c) CH CONH (d) CH CH CN
How many and bonds are present between carbon atoms in H C C CH CH is
In which of the following compounds, C has used sp2 orbital in making C—O bond? (a) (b) (c) (d)
C1—C2 bond of this molecule is formed by GENERAL ORGANIC CHEMISTRY
Which of the following statements is true about hybridization?
In the hydrocarbon, The state of hybridization of carbons 1,3,5 are in the following sequence:
Hybridized carbon atom used in the formation of the compound CH3— CH CH — CH2 — CH3 are:
The hybridization of carbon atoms in C—C single bond of H — C C — CH CH2 is:
Assertion: Ethylene is more reactive than ethane. Reason: Ethylene possess pi bond.
In which bond angle is the highest
For (i) I–, (ii) Cl–, (iii) Br–, the increasing order of nucleophilicity would be (AIPMT 2007)
Which of the following compounds will not exhibit cis-trans isomerism ? (PMET 2006) (a) (b) (c) (d)
The number of isomeric alkenes with molecular formula C6H12 are (PMET 2006)
The IUPAC name of is (AIPMT 2006)
These two conformers exist in a state of dynamic equilibrium. Which one is more stable?
Among these, positional isomers are
I. CH CH CH CH CH II. CH CH CH CH | CH III. CH | CH C CH | CH Among these, chain isomers are
Among these functional isomers are
Among these III is the chain isomer of